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Finding the Fourth Proportional to 895.88, 1,236.38 and 546.63

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Solution

The fourth proportional to 895.88, 1,236.38 and 546.63 is: 754.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.88 : 1,236.38 = 546.63 : x
  2. Step 2: Convert to fraction form
    895.88/1,236.38 = 546.63/x
  3. Step 3: Cross multiply
    895.88x = 1,236.38 × 546.63
  4. Step 4: Simplify right side
    895.88x = 675,839.67
  5. Step 5: Solve for x
    x = 675,839.67/895.88
  6. Step 6: Final answer
    x = 754.39

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.